1、MIL-C-46587A(MU) 21 DECEMBER 1962 SUPERSEDING MIGc.46587 (ORD) 8 SEPTEMBER 1961 MILITARY SPECIFICATION CATAPULT, AIRCRAFT EJECTION SEAT, M3A1 ASSEMBLY 1. SCOPE 1.1 This is the applicable detail specifica- tion for Catapult, Aircraft Ejection Seat, M3A1, Assembly, loaded with Cartridge, Air- craft Ej
2、ection Seat, Catapult, M36, for use in conjunction with other propellant actuated devices in aircrew emergency escape systems. 2, APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of the specification to the ex
3、tent specified herein. SPECIFICATIONS MILITARY MIGA-2550 -Ammunition and Spe- cial Weapons, Gen- eral Specification for MIL145208 -Inspection Require- ments, General Specification for STANDARDS MILITARY IMIGSTD-105 -Sampling Procedures and Tables for In- spection by Attri- buba MIL-STR-109 -Qual its
4、 Ass ur an c e Terms and Defini- tions d MIL-STD-414 -Sampling Procedures and Tables for In- spection by Vari- ables for Percent Defective DRAWINGS MUNITIONS COMMAND MS-28741 -Hose Assembly-De- tachable End Fit- ting, Medium Pres- sure F8593635 -Catapult, Aircraft Ejection Seat, M3- AI, Assembly F87
5、97431 -Ammunition Contain- er, Fiber M304 for Catapult, Aircraft Ejection Seat, M3A1 F8797432 -Box, Packing Ammu- nition or Catapult, Aircraft Ejection Seat, M3A1 IEL-8593636 -Index to Inspection Equipment List for Catapult, Aircraft Ejection Seat, M3- AI, Assembly (Copies of specifications, standar
6、ds and drawings required by suppliers in connection with specific pro- curement functions should be obtained from the pro- curing activity or as directed by the contracting officer.) 2.2 Other publications. The following docu- ment forms a part of this specification to the Provided by IHSNot for Res
7、aleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-gbC87A 13 M 9799906 03113271 7 extent specified herein. Unless otherwise indicated the issue in effect on date of invita- tion for bids or request for proposal shall apply. INTERSTATE COMMERCE COMMISSION- CFR 71-78. The In
8、terstate Commerce Com- mission Rules and Regulations for the Transportation of Explosives and Other Dangerous Articles. (The Interstate Com- merce Commission Regulations are now a parb of the Code of Federal Regulations available from the Superintendent of Docu- ments, Government Printing Office, Wa
9、shing- ton 25, D.C. Orders for the above publication should cite “49 CFR 71-78“.) 3. REQUIREMENTS 3.1 General, Materials, parts and assem- blies shall comply with the requirements specified on the applicable drawings, refer- enced specifications and the following : 3.2 Torque. Toi*que requirements s
10、hall be as specified in table I. No loosening or deformation shall occur upon application of the breakaway torque, TABLE I. Seating or . botnnino Breakmuau (inch wtmis) (inclwys), . Block and Inside Tube aftep Insertion of Cartridge , . , . .400 f 50 . .300 Trunion . , SSOi-50 400 Stop Ring and 3.3
11、Assembly 3.3.1 The flange face surface of the plug shall be in complete contact with the car- tridge. 3.3.2 The block shall be free to rotate 360 degrees, 3.4 Residual magnetism. The catapult shall not deflect the indicator of the compass more than 3 degrees in either direction when passed in front
12、of the compass at a distance of 6 inches. 3.5 Functional. 3.5.1 Ballistics. Catapults loaded with ac- cepted M36 cartridges shall propel a 350 pound mass vertically and shall comply with the requirements listed in Table II. 3.5.2 The catapult shall not fail to fire. 3.5.3 The catapult shall function
13、 without mechanical failure (see 6.1). 3.6 Workmanship. The requirements for workmanship are as specified on the applica- ble drawings, referenced specifications and the following : 3.6.1 Metal defects. All components shall be free from cracks, splits, cold shuts, in- clusions, porosity or any simil
14、ar defect. 3.6.2 BUY. No pai% shall have a bur which might interfere with the assembly OF function Accolorntion Rate of ohange of Ignition Uelay mer. Temperature I Volwitymio. I max. 1 aceeloratlon,max. 1 (see6.2) -66 to -70 F. 70 fps 16Oto 165“ F 82fp 60to 75“ F . 77fps 175 g/sec. 150 milliseconds
15、180 g/sec. 150 milliseconds 250 g/seo. 150 milliseconds of the item or which might be injurious to personnel handling the item, 4.1 The supplier is responsible for the per- formance of all inspection requirements as 4, QUALITY ASSURANCE PROVISIONS records of the examination and tests shall be ! Prov
16、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-kept complete and available to the govern- ment as specified in the contract OF order. The government reserves the right to per- form any of the inspections set forth in the specification where such inspect
17、ions are deemed necessary to assure supplies and services conform to prescrib.ed requirements. 4.1.1 Qzcality ccssu?.ance temas and defin$- tions. Reference shall be made to MILSTD- 109 to define the quality assurance terms used. 4.1.2 Impection. Inspection shall be made in accordance with MIL-A-255
18、0 and MIL- 145208, except as specified herein. 4.2 Inspection provisions. 4.2.1 Lot. 4.2.1.1 Presentation of lots. The product shall be presented in accordance with MIL STD-105 or MIGSTD-414, as applicable. TABLE III. 4.2.1.2 Size of lot. A lot shall consist of an identifiable group of assembled uni
19、ts con- taining metal parts assemblies produced by a homogeneous process and loaded with a single lot of cartridges. 4.2.2 Examimtiott. One hundred percent examination shall be performed for all critical critical defects. Examination for major and minor defects shall be performed on a defect basis i
20、n accordance with the classification of defects contained herein, using the sampling plan and associated criteria in table III. The total number of allowable defects per class for either the major or minor classification shall not exceed the acceptance number of table III. All non- conforming materi
21、al shall be rejected. Four power (4X) magnification may be used in performing visual examination for such defects as burr and foreign matter. Major Minar Ampt Reject Accept RaJect Lotsize Bnmple size 1-300 100% Examination 301-800 50 O 1 1 2 801-1800., . 90 1 2 2 3 4.2.2.1 Cartridge, Ahwaft Ejection
22、. Seat, Catapult, M36, Uzvg. 8593632, coverhg a detail of Dwg. F8593635. NetJaod of inspectim Defect C?*it.ical 1. Mixed cartridges . .Visual 2. letai defective .Visual 3. (O ring missing . .Visual 4. Sealing disc missingJ damaged or improperly secured . .Visual 5. Marking missing, incorrect or ille
23、gible .Visual Major 101. rf09j ring split, cut or cracked . .Visual 102. Foreign matter . .Visual Minor 201. Case scratched, winkled, bulged or dented . .Visual 202. Varnish missing, or inadequate .Visual 4.2.2.2 Seal, O?*dmnce, Dwg. C8593665, coueying a detaE of Dzug. F8593635. Provided by IHSNot f
24、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C46587A(MU) Defeat Critical: None defined. Major: None defined. Minor Method of inspeation 201. Inside diameter under flange .Gage 202. Inside diameter adjacent to flange .Gage 203. Radius missing or incorrect .Visual
25、204. Metal defective .Visual 205. Protective finish, inadequate or defective . ,Visual 206. Bur .Visual 207. Foreign matter .Visual 4.2.2.3 Assembly, Dwg. F8593635, less all D wgs. except C85936.43, C85936.4.4, F85936.48, B- 859365.4, C8593656, C8593657 and AN6-Dwg. 88797481, . . . CcWcal: None defi
26、ned. .Defeat Majo$-: None defined. Netlwd of . inspectien . -. afim*- .- 201. Gap between Eody and cover i: .Manual 202. Cmtents loose :. .Manual 203. Metal enbs.loose or distorted . i .Manual 204. Cut-or damaged through all imnprenated layers .Visual 206. Marking inissing, incorrect or lleg-ible .
27、.Visual 206. Tape incomplete or badly mink1ei.i . .i .Visual 207 Length of tear tab, min. .Visual 208. Color of tape, incoriiect . .Visual 4.2.2.9 Ros, packing, Dtug. F8797.432. Method of Defect inspection . i- Cptica: None- defined. Major: None defined NiGw 201. Contents loose i . Manual 202, Hardw
28、are, missirig, loose, broken or improperly engaged Manual/Visual 203. Strapping missing, loose, broken or iinproperly assembled . Manual/Visual -204.- Cntenfs of box ex-posed .: . . .Visual 205. Box damaged .Visual .206. Marking missing, incorrect or illegible . i., . .Visual 207. Number of Units; i
29、ncorrect. ;. . i. i. . .Visual 208.: Gar sial missing, unsealed OY impropeply positioned .Visual . . . -. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.2.3 Iwpection testing. The following tests shall be performed in accordance with 4.3, except
30、 as provided in MIL-145208. 4.2.3.1 Breakaway torque. A breakaway torque shall be applied to each catapult threaded joint listed in table I. Failure of any catapult to comply with the requirements of 3.2 shall be cause for rejection of the catapult. 4.2.3.2 Residuul magnetism. Each assem- bly shall
31、be tested for excessive residual magnetism. Failure of any assembly to com- ply with the requirements of 3.4 shall be cause for rejection of the catapult. 4.2.3.3 Fumtbnal. The following tests shall be performed by the Government. 4.2.3.3.1 Ballistics. Twenty-one units shall be tested to determine c
32、ompliance with the requirements of 3.5.1, 3.5.2 and 3.5.3. The units shall be temperature conditioned as provided in table IV and 4.3.3.1.1. The vaiables sampling plan of MIL-STD-414, example C-2, for the AQL listed in table IV shall be used for each sample of 7 units. Failure of any unit to comply
33、with the re- quirements of 3.6.1, 3.6.2 and 3.5.3 or failure of a sample to meet the criteria of the varia- bles sampling plan shall be cause for rejection of the lot. TABLE IV. -85OtO -70F ,. , , , . . . . 7 651% 76F . , . 7 160 to 165“ F. . , , , . , . I . . 7 O I 65% 0,65% 0.65% 4.2.4 Inspection
34、equipment. The examina- tion and tests shall be made using equipment listed on IEL-8693636, except as provided in MIL-1-46208. 4.3 Test methods and procedures. 4.3.1 BreaTcaway torque. A torque wrench set at the torque requirement specified in 3.2 shall be used to determine the adequacy of rl 6. I t
35、he joints. The assembly shall be secured in the fixture prior to application of the torque. 4.3.2 Residuul magnetism. The assembly shall be tested for excessive residual magnet- ism in an area free of local magnetic effect and the fact that the Government may have formulated, furnished, OF in any wa
36、y supplied the said drawings, specifications, or othes data is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use, or sell any patented invention that may in any way be rel
37、ated thereto. Preparing activity: Army-MU Project No. 1375-A521 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-WIL-C-4b587A 33 777770b 0333277 M MIGC-P6587A(MXJ) rn 5t r t o L 7 -5; I 4 n J m Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
